/*
* Created on Apr 12, 2004
* Created by Olivier Chalouhi
* Modified Apr 13, 2004 by Alon Rohter
* Copyright (C) 2004, 2005, 2006 Aelitis, All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* AELITIS, SAS au capital de 46,603.30 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/
package org.gudy.azureus2.core3.util;
import java.util.Arrays;
import java.util.Random;
/**
* SHA-1 message digest class.
*/
public final class SHA1Simple {
private int h0,h1,h2,h3,h4;
private byte[] temp = new byte[64];
/**
* Create a new SHA-1 message digest hasher.
*/
public SHA1Simple(){
}
private void transform(byte[] M, int pos) {
int w0 , w1 , w2 , w3 , w4 , w5 , w6 , w7 , w8 , w9 ,
w10, w11, w12, w13, w14, w15;
int a,b,c,d,e;
w0 = (int)((((M[pos] & 0xff) << 24) |((M[pos+1] & 0xff) << 16) |((M[pos+2] & 0xff) << 8) |((M[pos+3] & 0xff) << 0))); pos+=4;
w1 = (int)((((M[pos] & 0xff) << 24) |((M[pos+1] & 0xff) << 16) |((M[pos+2] & 0xff) << 8) |((M[pos+3] & 0xff) << 0))); pos+=4;
w2 = (int)((((M[pos] & 0xff) << 24) |((M[pos+1] & 0xff) << 16) |((M[pos+2] & 0xff) << 8) |((M[pos+3] & 0xff) << 0))); pos+=4;
w3 = (int)((((M[pos] & 0xff) << 24) |((M[pos+1] & 0xff) << 16) |((M[pos+2] & 0xff) << 8) |((M[pos+3] & 0xff) << 0))); pos+=4;
w4 = (int)((((M[pos] & 0xff) << 24) |((M[pos+1] & 0xff) << 16) |((M[pos+2] & 0xff) << 8) |((M[pos+3] & 0xff) << 0))); pos+=4;
w5 = (int)((((M[pos] & 0xff) << 24) |((M[pos+1] & 0xff) << 16) |((M[pos+2] & 0xff) << 8) |((M[pos+3] & 0xff) << 0))); pos+=4;
w6 = (int)((((M[pos] & 0xff) << 24) |((M[pos+1] & 0xff) << 16) |((M[pos+2] & 0xff) << 8) |((M[pos+3] & 0xff) << 0))); pos+=4;
w7 = (int)((((M[pos] & 0xff) << 24) |((M[pos+1] & 0xff) << 16) |((M[pos+2] & 0xff) << 8) |((M[pos+3] & 0xff) << 0))); pos+=4;
w8 = (int)((((M[pos] & 0xff) << 24) |((M[pos+1] & 0xff) << 16) |((M[pos+2] & 0xff) << 8) |((M[pos+3] & 0xff) << 0))); pos+=4;
w9 = (int)((((M[pos] & 0xff) << 24) |((M[pos+1] & 0xff) << 16) |((M[pos+2] & 0xff) << 8) |((M[pos+3] & 0xff) << 0))); pos+=4;
w10 = (int)((((M[pos] & 0xff) << 24) |((M[pos+1] & 0xff) << 16) |((M[pos+2] & 0xff) << 8) |((M[pos+3] & 0xff) << 0))); pos+=4;
w11 = (int)((((M[pos] & 0xff) << 24) |((M[pos+1] & 0xff) << 16) |((M[pos+2] & 0xff) << 8) |((M[pos+3] & 0xff) << 0))); pos+=4;
w12 = (int)((((M[pos] & 0xff) << 24) |((M[pos+1] & 0xff) << 16) |((M[pos+2] & 0xff) << 8) |((M[pos+3] & 0xff) << 0))); pos+=4;
w13 = (int)((((M[pos] & 0xff) << 24) |((M[pos+1] & 0xff) << 16) |((M[pos+2] & 0xff) << 8) |((M[pos+3] & 0xff) << 0))); pos+=4;
w14 = (int)((((M[pos] & 0xff) << 24) |((M[pos+1] & 0xff) << 16) |((M[pos+2] & 0xff) << 8) |((M[pos+3] & 0xff) << 0))); pos+=4;
w15 = (int)((((M[pos] & 0xff) << 24) |((M[pos+1] & 0xff) << 16) |((M[pos+2] & 0xff) << 8) |((M[pos+3] & 0xff) << 0))); pos+=4;
a = h0 ; b = h1 ; c = h2 ; d = h3 ; e = h4;
e += ((a << 5) | ( a >>> 27)) + w0 + ((b & c) | ((~b ) & d)) + 0x5A827999 ;
b = (b << 30) | (b >>> 2) ;
d += ((e << 5) | ( e >>> 27)) + w1 + ((a & b) | ((~a ) & c)) + 0x5A827999 ;
a = (a << 30) | (a >>> 2) ;
c += ((d << 5) | ( d >>> 27)) + w2 + ((e & a) | ((~e ) & b)) + 0x5A827999 ;
e = (e << 30) | (e >>> 2) ;
b += ((c << 5) | ( c >>> 27)) + w3 + ((d & e) | ((~d ) & a)) + 0x5A827999 ;
d = (d << 30) | (d >>> 2) ;
a += ((b << 5) | ( b >>> 27)) + w4 + ((c & d) | ((~c ) & e)) + 0x5A827999 ;
c = (c << 30) | (c >>> 2) ;
e += ((a << 5) | ( a >>> 27)) + w5 + ((b & c) | ((~b ) & d)) + 0x5A827999 ;
b = (b << 30) | (b >>> 2) ;
d += ((e << 5) | ( e >>> 27)) + w6 + ((a & b) | ((~a ) & c)) + 0x5A827999 ;
a = (a << 30) | (a >>> 2) ;
c += ((d << 5) | ( d >>> 27)) + w7 + ((e & a) | ((~e ) & b)) + 0x5A827999 ;
e = (e << 30) | (e >>> 2) ;
b += ((c << 5) | ( c >>> 27)) + w8 + ((d & e) | ((~d ) & a)) + 0x5A827999 ;
d = (d << 30) | (d >>> 2) ;
a += ((b << 5) | ( b >>> 27)) + w9 + ((c & d) | ((~c ) & e)) + 0x5A827999 ;
c = (c << 30) | (c >>> 2) ;
e += ((a << 5) | ( a >>> 27)) + w10 + ((b & c) | ((~b ) & d)) + 0x5A827999 ;
b = (b << 30) | (b >>> 2) ;
d += ((e << 5) | ( e >>> 27)) + w11 + ((a & b) | ((~a ) & c)) + 0x5A827999 ;
a = (a << 30) | (a >>> 2) ;
c += ((d << 5) | ( d >>> 27)) + w12 + ((e & a) | ((~e ) & b)) + 0x5A827999 ;
e = (e << 30) | (e >>> 2) ;
b += ((c << 5) | ( c >>> 27)) + w13 + ((d & e) | ((~d ) & a)) + 0x5A827999 ;
d = (d << 30) | (d >>> 2) ;
a += ((b << 5) | ( b >>> 27)) + w14 + ((c & d) | ((~c ) & e)) + 0x5A827999 ;
c = (c << 30) | (c >>> 2) ;
e += ((a << 5) | ( a >>> 27)) + w15 + ((b & c) | ((~b ) & d)) + 0x5A827999 ;
b = (b << 30) | (b >>> 2) ;
w0 = w13 ^ w8 ^ w2 ^ w0; w0 = (w0 << 1) | (w0 >>> 31) ;
d += ((e << 5) | ( e >>> 27)) + w0 + ((a & b) | ((~a ) & c)) + 0x5A827999 ;
a = (a << 30) | (a >>> 2) ;
w1 = w14 ^ w9 ^ w3 ^ w1; w1 = (w1 << 1) | (w1 >>> 31) ;
c += ((d << 5) | ( d >>> 27)) + w1 + ((e & a) | ((~e ) & b)) + 0x5A827999 ;
e = (e << 30) | (e >>> 2) ;
w2 = w15 ^ w10 ^ w4 ^ w2; w2 = (w2 << 1) | (w2 >>> 31) ;
b += ((c << 5) | ( c >>> 27)) + w2 + ((d & e) | ((~d ) & a)) + 0x5A827999 ;
d = (d << 30) | (d >>> 2) ;
w3 = w0 ^ w11 ^ w5 ^ w3; w3 = (w3 << 1) | (w3 >>> 31) ;
a += ((b << 5) | ( b >>> 27)) + w3 + ((c & d) | ((~c ) & e)) + 0x5A827999 ;
c = (c << 30) | (c >>> 2) ;
w4 = w1 ^ w12 ^ w6 ^ w4; w4 = (w4 << 1) | (w4 >>> 31) ;
e += ((a << 5) | ( a >>> 27)) + w4 + (b ^ c ^ d) + 0x6ED9EBA1 ;
b = (b << 30) | (b >>> 2) ;
w5 = w2 ^ w13 ^ w7 ^ w5; w5 = (w5 << 1) | (w5 >>> 31) ;
d += ((e << 5) | ( e >>> 27)) + w5 + (a ^ b ^ c) + 0x6ED9EBA1 ;
a = (a << 30) | (a >>> 2) ;
w6 = w3 ^ w14 ^ w8 ^ w6; w6 = (w6 << 1) | (w6 >>> 31) ;
c += ((d << 5) | ( d >>> 27)) + w6 + (e ^ a ^ b) + 0x6ED9EBA1 ;
e = (e << 30) | (e >>> 2) ;
w7 = w4 ^ w15 ^ w9 ^ w7; w7 = (w7 << 1) | (w7 >>> 31) ;
b += ((c << 5) | ( c >>> 27)) + w7 + (d ^ e ^ a) + 0x6ED9EBA1 ;
d = (d << 30) | (d >>> 2) ;
w8 = w5 ^ w0 ^ w10 ^ w8; w8 = (w8 << 1) | (w8 >>> 31) ;
a += ((b << 5) | ( b >>> 27)) + w8 + (c ^ d ^ e) + 0x6ED9EBA1 ;
c = (c << 30) | (c >>> 2) ;
w9 = w6 ^ w1 ^ w11 ^ w9; w9 = (w9 << 1) | (w9 >>> 31) ;
e += ((a << 5) | ( a >>> 27)) + w9 + (b ^ c ^ d) + 0x6ED9EBA1 ;
b = (b << 30) | (b >>> 2) ;
w10 = w7 ^ w2 ^ w12 ^ w10; w10 = (w10 << 1) | (w10 >>> 31) ;
d += ((e << 5) | ( e >>> 27)) + w10 + (a ^ b ^ c) + 0x6ED9EBA1 ;
a = (a << 30) | (a >>> 2) ;
w11 = w8 ^ w3 ^ w13 ^ w11; w11 = (w11 << 1) | (w11 >>> 31) ;
c += ((d << 5) | ( d >>> 27)) + w11 + (e ^ a ^ b) + 0x6ED9EBA1 ;
e = (e << 30) | (e >>> 2) ;
w12 = w9 ^ w4 ^ w14 ^ w12; w12 = (w12 << 1) | (w12 >>> 31) ;
b += ((c << 5) | ( c >>> 27)) + w12 + (d ^ e ^ a) + 0x6ED9EBA1 ;
d = (d << 30) | (d >>> 2) ;
w13 = w10 ^ w5 ^ w15 ^ w13; w13 = (w13 << 1) | (w13 >>> 31) ;
a += ((b << 5) | ( b >>> 27)) + w13 + (c ^ d ^ e) + 0x6ED9EBA1 ;
c = (c << 30) | (c >>> 2) ;
w14 = w11 ^ w6 ^ w0 ^ w14; w14 = (w14 << 1) | (w14 >>> 31) ;
e += ((a << 5) | ( a >>> 27)) + w14 + (b ^ c ^ d) + 0x6ED9EBA1 ;
b = (b << 30) | (b >>> 2) ;
w15 = w12 ^ w7 ^ w1 ^ w15; w15 = (w15 << 1) | (w15 >>> 31) ;
d += ((e << 5) | ( e >>> 27)) + w15 + (a ^ b ^ c) + 0x6ED9EBA1 ;
a = (a << 30) | (a >>> 2) ;
w0 = w13 ^ w8 ^ w2 ^ w0; w0 = (w0 << 1) | (w0 >>> 31) ;
c += ((d << 5) | ( d >>> 27)) + w0 + (e ^ a ^ b) + 0x6ED9EBA1 ;
e = (e << 30) | (e >>> 2) ;
w1 = w14 ^ w9 ^ w3 ^ w1; w1 = (w1 << 1) | (w1 >>> 31) ;
b += ((c << 5) | ( c >>> 27)) + w1 + (d ^ e ^ a) + 0x6ED9EBA1 ;
d = (d << 30) | (d >>> 2) ;
w2 = w15 ^ w10 ^ w4 ^ w2; w2 = (w2 << 1) | (w2 >>> 31) ;
a += ((b << 5) | ( b >>> 27)) + w2 + (c ^ d ^ e) + 0x6ED9EBA1 ;
c = (c << 30) | (c >>> 2) ;
w3 = w0 ^ w11 ^ w5 ^ w3; w3 = (w3 << 1) | (w3 >>> 31) ;
e += ((a << 5) | ( a >>> 27)) + w3 + (b ^ c ^ d) + 0x6ED9EBA1 ;
b = (b << 30) | (b >>> 2) ;
w4 = w1 ^ w12 ^ w6 ^ w4; w4 = (w4 << 1) | (w4 >>> 31) ;
d += ((e << 5) | ( e >>> 27)) + w4 + (a ^ b ^ c) + 0x6ED9EBA1 ;
a = (a << 30) | (a >>> 2) ;
w5 = w2 ^ w13 ^ w7 ^ w5; w5 = (w5 << 1) | (w5 >>> 31) ;
c += ((d << 5) | ( d >>> 27)) + w5 + (e ^ a ^ b) + 0x6ED9EBA1 ;
e = (e << 30) | (e >>> 2) ;
w6 = w3 ^ w14 ^ w8 ^ w6; w6 = (w6 << 1) | (w6 >>> 31) ;
b += ((c << 5) | ( c >>> 27)) + w6 + (d ^ e ^ a) + 0x6ED9EBA1 ;
d = (d << 30) | (d >>> 2) ;
w7 = w4 ^ w15 ^ w9 ^ w7; w7 = (w7 << 1) | (w7 >>> 31) ;
a += ((b << 5) | ( b >>> 27)) + w7 + (c ^ d ^ e) + 0x6ED9EBA1 ;
c = (c << 30) | (c >>> 2) ;
w8 = w5 ^ w0 ^ w10 ^ w8; w8 = (w8 << 1) | (w8 >>> 31) ;
e += ((a << 5) | ( a >>> 27)) + w8 + ((b & c) | (b & d) | (c & d)) + 0x8F1BBCDC ;
b = (b << 30) | (b >>> 2) ;
w9 = w6 ^ w1 ^ w11 ^ w9; w9 = (w9 << 1) | (w9 >>> 31) ;
d += ((e << 5) | ( e >>> 27)) + w9 + ((a & b) | (a & c) | (b & c)) + 0x8F1BBCDC ;
a = (a << 30) | (a >>> 2) ;
w10 = w7 ^ w2 ^ w12 ^ w10; w10 = (w10 << 1) | (w10 >>> 31) ;
c += ((d << 5) | ( d >>> 27)) + w10 + ((e & a) | (e & b) | (a & b)) + 0x8F1BBCDC ;
e = (e << 30) | (e >>> 2) ;
w11 = w8 ^ w3 ^ w13 ^ w11; w11 = (w11 << 1) | (w11 >>> 31) ;
b += ((c << 5) | ( c >>> 27)) + w11 + ((d & e) | (d & a) | (e & a)) + 0x8F1BBCDC ;
d = (d << 30) | (d >>> 2) ;
w12 = w9 ^ w4 ^ w14 ^ w12; w12 = (w12 << 1) | (w12 >>> 31) ;
a += ((b << 5) | ( b >>> 27)) + w12 + ((c & d) | (c & e) | (d & e)) + 0x8F1BBCDC ;
c = (c << 30) | (c >>> 2) ;
w13 = w10 ^ w5 ^ w15 ^ w13; w13 = (w13 << 1) | (w13 >>> 31) ;
e += ((a << 5) | ( a >>> 27)) + w13 + ((b & c) | (b & d) | (c & d)) + 0x8F1BBCDC ;
b = (b << 30) | (b >>> 2) ;
w14 = w11 ^ w6 ^ w0 ^ w14; w14 = (w14 << 1) | (w14 >>> 31) ;
d += ((e << 5) | ( e >>> 27)) + w14 + ((a & b) | (a & c) | (b & c)) + 0x8F1BBCDC ;
a = (a << 30) | (a >>> 2) ;
w15 = w12 ^ w7 ^ w1 ^ w15; w15 = (w15 << 1) | (w15 >>> 31) ;
c += ((d << 5) | ( d >>> 27)) + w15 + ((e & a) | (e & b) | (a & b)) + 0x8F1BBCDC ;
e = (e << 30) | (e >>> 2) ;
w0 = w13 ^ w8 ^ w2 ^ w0; w0 = (w0 << 1) | (w0 >>> 31) ;
b += ((c << 5) | ( c >>> 27)) + w0 + ((d & e) | (d & a) | (e & a)) + 0x8F1BBCDC ;
d = (d << 30) | (d >>> 2) ;
w1 = w14 ^ w9 ^ w3 ^ w1; w1 = (w1 << 1) | (w1 >>> 31) ;
a += ((b << 5) | ( b >>> 27)) + w1 + ((c & d) | (c & e) | (d & e)) + 0x8F1BBCDC ;
c = (c << 30) | (c >>> 2) ;
w2 = w15 ^ w10 ^ w4 ^ w2; w2 = (w2 << 1) | (w2 >>> 31) ;
e += ((a << 5) | ( a >>> 27)) + w2 + ((b & c) | (b & d) | (c & d)) + 0x8F1BBCDC ;
b = (b << 30) | (b >>> 2) ;
w3 = w0 ^ w11 ^ w5 ^ w3; w3 = (w3 << 1) | (w3 >>> 31) ;
d += ((e << 5) | ( e >>> 27)) + w3 + ((a & b) | (a & c) | (b & c)) + 0x8F1BBCDC ;
a = (a << 30) | (a >>> 2) ;
w4 = w1 ^ w12 ^ w6 ^ w4; w4 = (w4 << 1) | (w4 >>> 31) ;
c += ((d << 5) | ( d >>> 27)) + w4 + ((e & a) | (e & b) | (a & b)) + 0x8F1BBCDC ;
e = (e << 30) | (e >>> 2) ;
w5 = w2 ^ w13 ^ w7 ^ w5; w5 = (w5 << 1) | (w5 >>> 31) ;
b += ((c << 5) | ( c >>> 27)) + w5 + ((d & e) | (d & a) | (e & a)) + 0x8F1BBCDC ;
d = (d << 30) | (d >>> 2) ;
w6 = w3 ^ w14 ^ w8 ^ w6; w6 = (w6 << 1) | (w6 >>> 31) ;
a += ((b << 5) | ( b >>> 27)) + w6 + ((c & d) | (c & e) | (d & e)) + 0x8F1BBCDC ;
c = (c << 30) | (c >>> 2) ;
w7 = w4 ^ w15 ^ w9 ^ w7; w7 = (w7 << 1) | (w7 >>> 31) ;
e += ((a << 5) | ( a >>> 27)) + w7 + ((b & c) | (b & d) | (c & d)) + 0x8F1BBCDC ;
b = (b << 30) | (b >>> 2) ;
w8 = w5 ^ w0 ^ w10 ^ w8; w8 = (w8 << 1) | (w8 >>> 31) ;
d += ((e << 5) | ( e >>> 27)) + w8 + ((a & b) | (a & c) | (b & c)) + 0x8F1BBCDC ;
a = (a << 30) | (a >>> 2) ;
w9 = w6 ^ w1 ^ w11 ^ w9; w9 = (w9 << 1) | (w9 >>> 31) ;
c += ((d << 5) | ( d >>> 27)) + w9 + ((e & a) | (e & b) | (a & b)) + 0x8F1BBCDC ;
e = (e << 30) | (e >>> 2) ;
w10 = w7 ^ w2 ^ w12 ^ w10; w10 = (w10 << 1) | (w10 >>> 31) ;
b += ((c << 5) | ( c >>> 27)) + w10 + ((d & e) | (d & a) | (e & a)) + 0x8F1BBCDC ;
d = (d << 30) | (d >>> 2) ;
w11 = w8 ^ w3 ^ w13 ^ w11; w11 = (w11 << 1) | (w11 >>> 31) ;
a += ((b << 5) | ( b >>> 27)) + w11 + ((c & d) | (c & e) | (d & e)) + 0x8F1BBCDC ;
c = (c << 30) | (c >>> 2) ;
w12 = w9 ^ w4 ^ w14 ^ w12; w12 = (w12 << 1) | (w12 >>> 31) ;
e += ((a << 5) | ( a >>> 27)) + w12 + (b ^ c ^ d) + 0xCA62C1D6 ;
b = (b << 30) | (b >>> 2) ;
w13 = w10 ^ w5 ^ w15 ^ w13; w13 = (w13 << 1) | (w13 >>> 31) ;
d += ((e << 5) | ( e >>> 27)) + w13 + (a ^ b ^ c) + 0xCA62C1D6 ;
a = (a << 30) | (a >>> 2) ;
w14 = w11 ^ w6 ^ w0 ^ w14; w14 = (w14 << 1) | (w14 >>> 31) ;
c += ((d << 5) | ( d >>> 27)) + w14 + (e ^ a ^ b) + 0xCA62C1D6 ;
e = (e << 30) | (e >>> 2) ;
w15 = w12 ^ w7 ^ w1 ^ w15; w15 = (w15 << 1) | (w15 >>> 31) ;
b += ((c << 5) | ( c >>> 27)) + w15 + (d ^ e ^ a) + 0xCA62C1D6 ;
d = (d << 30) | (d >>> 2) ;
w0 = w13 ^ w8 ^ w2 ^ w0; w0 = (w0 << 1) | (w0 >>> 31) ;
a += ((b << 5) | ( b >>> 27)) + w0 + (c ^ d ^ e) + 0xCA62C1D6 ;
c = (c << 30) | (c >>> 2) ;
w1 = w14 ^ w9 ^ w3 ^ w1; w1 = (w1 << 1) | (w1 >>> 31) ;
e += ((a << 5) | ( a >>> 27)) + w1 + (b ^ c ^ d) + 0xCA62C1D6 ;
b = (b << 30) | (b >>> 2) ;
w2 = w15 ^ w10 ^ w4 ^ w2; w2 = (w2 << 1) | (w2 >>> 31) ;
d += ((e << 5) | ( e >>> 27)) + w2 + (a ^ b ^ c) + 0xCA62C1D6 ;
a = (a << 30) | (a >>> 2) ;
w3 = w0 ^ w11 ^ w5 ^ w3; w3 = (w3 << 1) | (w3 >>> 31) ;
c += ((d << 5) | ( d >>> 27)) + w3 + (e ^ a ^ b) + 0xCA62C1D6 ;
e = (e << 30) | (e >>> 2) ;
w4 = w1 ^ w12 ^ w6 ^ w4; w4 = (w4 << 1) | (w4 >>> 31) ;
b += ((c << 5) | ( c >>> 27)) + w4 + (d ^ e ^ a) + 0xCA62C1D6 ;
d = (d << 30) | (d >>> 2) ;
w5 = w2 ^ w13 ^ w7 ^ w5; w5 = (w5 << 1) | (w5 >>> 31) ;
a += ((b << 5) | ( b >>> 27)) + w5 + (c ^ d ^ e) + 0xCA62C1D6 ;
c = (c << 30) | (c >>> 2) ;
w6 = w3 ^ w14 ^ w8 ^ w6; w6 = (w6 << 1) | (w6 >>> 31) ;
e += ((a << 5) | ( a >>> 27)) + w6 + (b ^ c ^ d) + 0xCA62C1D6 ;
b = (b << 30) | (b >>> 2) ;
w7 = w4 ^ w15 ^ w9 ^ w7; w7 = (w7 << 1) | (w7 >>> 31) ;
d += ((e << 5) | ( e >>> 27)) + w7 + (a ^ b ^ c) + 0xCA62C1D6 ;
a = (a << 30) | (a >>> 2) ;
w8 = w5 ^ w0 ^ w10 ^ w8; w8 = (w8 << 1) | (w8 >>> 31) ;
c += ((d << 5) | ( d >>> 27)) + w8 + (e ^ a ^ b) + 0xCA62C1D6 ;
e = (e << 30) | (e >>> 2) ;
w9 = w6 ^ w1 ^ w11 ^ w9; w9 = (w9 << 1) | (w9 >>> 31) ;
b += ((c << 5) | ( c >>> 27)) + w9 + (d ^ e ^ a) + 0xCA62C1D6 ;
d = (d << 30) | (d >>> 2) ;
w10 = w7 ^ w2 ^ w12 ^ w10; w10 = (w10 << 1) | (w10 >>> 31) ;
a += ((b << 5) | ( b >>> 27)) + w10 + (c ^ d ^ e) + 0xCA62C1D6 ;
c = (c << 30) | (c >>> 2) ;
w11 = w8 ^ w3 ^ w13 ^ w11; w11 = (w11 << 1) | (w11 >>> 31) ;
e += ((a << 5) | ( a >>> 27)) + w11 + (b ^ c ^ d) + 0xCA62C1D6 ;
b = (b << 30) | (b >>> 2) ;
w12 = w9 ^ w4 ^ w14 ^ w12; w12 = (w12 << 1) | (w12 >>> 31) ;
d += ((e << 5) | ( e >>> 27)) + w12 + (a ^ b ^ c) + 0xCA62C1D6 ;
a = (a << 30) | (a >>> 2) ;
w13 = w10 ^ w5 ^ w15 ^ w13; w13 = (w13 << 1) | (w13 >>> 31) ;
c += ((d << 5) | ( d >>> 27)) + w13 + (e ^ a ^ b) + 0xCA62C1D6 ;
e = (e << 30) | (e >>> 2) ;
w14 = w11 ^ w6 ^ w0 ^ w14; w14 = (w14 << 1) | (w14 >>> 31) ;
b += ((c << 5) | ( c >>> 27)) + w14 + (d ^ e ^ a) + 0xCA62C1D6 ;
d = (d << 30) | (d >>> 2) ;
w15 = w12 ^ w7 ^ w1 ^ w15; w15 = (w15 << 1) | (w15 >>> 31) ;
a += ((b << 5) | ( b >>> 27)) + w15 + (c ^ d ^ e) + 0xCA62C1D6 ;
c = (c << 30) | (c >>> 2) ;
h0 += a;
h1 += b;
h2 += c;
h3 += d;
h4 += e;
}
public byte[]
calculateHash(
byte[] buffer )
{
return( calculateHash( buffer, 0, buffer.length ));
}
public byte[]
calculateHash(
final byte[] buffer,
final int offset,
final int length )
{
h0 = 0x67452301;
h1 = 0xEFCDAB89;
h2 = 0x98BADCFE;
h3 = 0x10325476;
h4 = 0xC3D2E1F0;
int pos = offset;
int rem = length;
while( rem >= 64) {
transform( buffer, pos );
pos += 64;
rem -= 64;
}
if ( rem > 0 ){
System.arraycopy( buffer, pos, temp, 0, rem );
pos = rem;
}else{
pos = 0;
}
temp[pos++] = ((byte)0x80);
if ( pos > 56 ){
for (int i=pos;i<64;i++){
temp[i] = 0;
}
transform( temp, 0 );
pos = 0;
}
for (int i=pos;i<56;i++){
temp[i] = 0;
}
long l = length << 3;
temp[56] = (byte)(l >> 56);
temp[57] = (byte)(l >> 48);
temp[58] = (byte)(l >> 40);
temp[59] = (byte)(l >> 32);
temp[60] = (byte)(l >> 24);
temp[61] = (byte)(l >> 16);
temp[62] = (byte)(l >> 8);
temp[63] = (byte)(l);
transform( temp, 0 );
byte[] result = new byte[20];
result[0] = (byte)(h0>>24);
result[1] = (byte)(h0>>16);
result[2] = (byte)(h0>>8);
result[3] = (byte)(h0>>0);
result[4] = (byte)(h1>>24);
result[5] = (byte)(h1>>16);
result[6] = (byte)(h1>>8);
result[7] = (byte)(h1>>0);
result[8] = (byte)(h2>>24);
result[9] = (byte)(h2>>16);
result[10] = (byte)(h2>>8);
result[11] = (byte)(h2>>0);
result[12] = (byte)(h3>>24);
result[13] = (byte)(h3>>16);
result[14] = (byte)(h3>>8);
result[15] = (byte)(h3>>0);
result[16] = (byte)(h4>>24);
result[17] = (byte)(h4>>16);
result[18] = (byte)(h4>>8);
result[19] = (byte)(h4>>0);
return( result );
}
public static void
main(
String[] args )
{
SHA1Hasher s1 = new SHA1Hasher();
SHA1Simple s2 = new SHA1Simple();
Random r = new Random();
for (int i=0;i<10000;i++){
int len = r.nextInt(32);
byte[] x = new byte[len];
r.nextBytes( x );
byte[] h1 = s1.calculateHash( x );
byte[] h2 = s2.calculateHash( x );
if ( Arrays.equals( h1, h2)){
System.out.println( ByteFormatter.nicePrint( h1 ) + " - " + ByteFormatter.nicePrint( x ));
}else{
System.out.println( "arghh" );
return;
}
}
System.out.println( "End" );
}
}
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